US11454376B2 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
US11454376B2
US11454376B2 US17/051,910 US201917051910A US11454376B2 US 11454376 B2 US11454376 B2 US 11454376B2 US 201917051910 A US201917051910 A US 201917051910A US 11454376 B2 US11454376 B2 US 11454376B2
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United States
Prior art keywords
links
lighting apparatus
chain
rear cover
screen
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Application number
US17/051,910
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English (en)
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US20210231295A1 (en
Inventor
Giuseppe RANIERI
Marco ANGIOLONI
Luigi Trenti
Gianni BARTOLINI
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WIVA GROUP SpA
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WIVA GROUP SpA
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Assigned to WIVA GROUP S.P.A. reassignment WIVA GROUP S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANGIOLONI, Marco, BARTOLINI, Gianni, RANIERI, GIUSEPPE, TRENTI, LUIGI
Publication of US20210231295A1 publication Critical patent/US20210231295A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/012—Housings with variable shape or dimensions, e.g. by means of elastically deformable materials or by movement of parts forming telescopic extensions of the housing body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to the technical field of lighting, in particular the present invention relates to a lighting apparatus and to the components which characterize the aforesaid lighting apparatus.
  • Lighting apparatuses in particular, lighting apparatuses using LED technology light sources, have been known for a long time and have been present on the market for a long time.
  • lighting apparatuses are an important furnishing element and often have particular shapes and designs.
  • each new shape which is decided for obtaining a lighting apparatus involves new engineering and the provision of new molds and new lighting bodies.
  • the need is therefore there to provide a lighting apparatus which overcomes the disadvantages of the lighting apparatuses of the prior art, and which is particularly versatile, flexible, obtainable in any shape and size, aesthetically appealing, easily storable in a warehouse, compact, durable, obtainable at low cost, and made up of components which are easily assembled and configured.
  • the lighting apparatus according to the present invention may be obtained in various shapes and sizes, even in bulky and complex shapes, and may be used in any type of application, for indoors or for outdoors and in any type of environment, in domestic installations for private homes but also in public places, commercial establishments, medical offices, offices etc., without requiring the manufacturing of new molds and the fitting of expensive mass production systems.
  • the apparatus according to the present invention is easily and quickly assembled.
  • the present invention relates to a lighting apparatus in accordance with claim 1 , comprising a chain device which allows assembling and obtaining it in various shapes and sizes.
  • the chain device allows assembling the main parts which form said lighting apparatus and comprises a plurality of links adapted to be together or separated and put on site in an easy and quick manner.
  • Said links may comprise the external protective elements which may be applied to give the link and the chain device a greater strength when assembled to form the lighting apparatus.
  • FIG. 1 shows four embodiments of the lighting apparatus according to the present invention
  • FIG. 2 shows the lighting apparatus according to the present invention having a circular shape and especially adapted for an application in suspension
  • FIGS. 3( a ), 3( b ) and 3( c ) show a detail of the apparatus shown in FIG. 2 ;
  • FIG. 4 shows a detail of the lighting apparatus according to the present invention
  • FIG. 5 shows the chain device included in the lighting apparatus of the invention with the possibility of fastening the external protective elements
  • FIG. 6 shows a detail of the chain device included in the lighting apparatus of the invention
  • FIGS. 7 to 9 show, in particular, the structure of the link which makes up the chain device forming part of the apparatus according to the present invention.
  • FIG. 10 shows several examples of links equipped with external protective elements of different shapes and sizes.
  • the lighting apparatus 1 in accordance with the present invention, comprises:
  • a rear cover 2 at least one light emission device 3 , preferably comprising at least one LED; a diffuser screen 4 and an external edge comprising a chain device 5 adapted to be engaged with said rear cover 2 and with said screen 4 so as to rigidly support both.
  • the rear cover 2 , the at least one light emission device 3 and the screen 4 substantially form a sandwich structure, assembled and supported by the chain device 5 .
  • Said chain device 5 comprises, in turn, a plurality of consecutive links 6 adapted to be mutually engaged with one another and associated with at least one clamping means adapted to rigidly clamp the chain device 5 in the desired form.
  • the rear cover 2 and the screen 4 may have various shapes, such as to be adapted to the different use needs of the lighting apparatus according to the present invention.
  • lighting apparatuses according to the invention are shown, having the rear cover 2 and the screen 4 of a circular, square shape and delimited by an irregular curve.
  • the rear cover 2 is conventionally made of plastic or metallic material such as, for example, polycarbonate, aluminum, iron, steel etc., and is suitably associated with means for the mechanical fastening to the ceiling (preferred embodiment as a ceiling light or as a suspension) or to a wall (preferred embodiment as an applique) and with means for dissipating the heat produced by the light emission device 3 .
  • the diffuser screen 4 is preferably made of plastic material such as polycarbonate (PC), polymethylmethacrylate (PMMA) and polystyrene (PS) and may be transparent, opaque, satin-finished, or it may also have a microprismatic surface to suitably filter the emitted light.
  • PC polycarbonate
  • PMMA polymethylmethacrylate
  • PS polystyrene
  • the light emission device 3 is preferably based on light emitting diodes (LEDs) and is anchored to the rear cover 2 according to the methods of the prior art.
  • LEDs light emitting diodes
  • the light emission device 3 may comprise one or more electronic boards comprising at least one LED light source. Said boards may be made according to the techniques and with the materials used in the prior art, such as, for example, FR4 or the so-called metal core pcb. Said LEDs may advantageously be selected of the high intensity type, for example, of the so-called chip on board (COB) type. Furthermore, the light emission device 3 , will comprise suitable light source power supply means. When using LEDs, said power supply means will comprise an electronic power supply with output current regulation provided according to widely known prior art techniques.
  • the chain device 5 is conventionally made of plastic material and is preferably made of a plastic material selected from the group comprising polycarbonate, methacrylate and abs. Alternatively, the chain device 5 may be made of metallic materials such as, for example, aluminum.
  • the links 6 of said chain device 5 have a main body, provided with an upper end and a lower end, and comprise mutual engagement means, adapted to allow said links to be mutually engaged with one another, and clamping means to rigidly clamp the chain device 5 in the desired shape.
  • Said links 6 of said chain device 5 further comprise means for the engagement with said rear cover 2 and with said screen 4 .
  • said engagement means comprise a further pair of seats 13 , 14 each arranged at one end of the main body of the link 6 , having a height slightly higher with respect to the thickness of the rear cover 2 or to the thickness of the screen 4 and a depth adapted to allow the correct support of the rear cover 2 and of the screen 4 .
  • said mutual engagement means adapted to allow said links to be mutually engaged with one another, comprise a pair of seats 8 , 10 , each arranged at one end of the main body of the link 6 , and a pair of projections 15 , 16 also arranged each at one end of the main body of the link 6 and adapted to be engaged with said seats.
  • said clamping means comprise at least one hole 9 passing through the body of said link 6 and a clamping cable adapted to be engaged with said at least one hole 9 .
  • said clamping means may comprise a tab 18 slightly projecting from the main body of the link 6 and comprising a hole 11 adapted to be fastened to a similar hole obtained in the rear cover 2 by using, for example, a screw, a rivet, a socket pin, etc.
  • the use of the clamping cable provides for the following.
  • the chain device 5 is assembled by joining a number of links 6 , each of which is engaged by the clamping cable which passes through the hole 9 , and the chain device is associated with the other components of the lighting apparatus, it is possible to suitably clamp the chain device by tensioning the clamping cable and fastening the ends thereof so as to maintain the tension of the cable and apply it to the structure of the chain device 5 so as to make it rigid and stable.
  • Said links 6 of said chain device 5 comprise further means for the engagement with external protective elements 17 , for example, of the fastening loops 12 adapted to be engaged with specific pins present on one of the surfaces of the external protective elements 17 .
  • a coupling between the slots 12 for fastening the links 6 and the pins of the external protective elements 17 of the snap-in type may be provided in accordance with commonly known methods in use in the prior art.
  • Said external protective elements 17 may have various shapes and sizes, preferably they are made in a substantially square or rectangular shape.
  • the external protective elements 17 have the function of edging the links of the chain, thus forming a finishing which gives the chain 5 further strength.
  • Said external protective elements 17 may be made of plastic or other suitable materials, such as wood, glass, stone and possibly also of a metal material, such as, for example, aluminum.
  • the external surface of the external protective elements 17 may possibly be colored or adorned at will with decorations or moldings.
  • the fastening of the apparatus, according to the present invention, to the ceiling or to the walls may occur with a direct fastening or with a suspension system 14 in a manner known to those skilled in the art. It is also possible to obtain the lighting apparatus according to the present invention so as to be partially recessed into the ceiling, according to methods known in the technical field of lighting systems.
  • the lighting apparatus according to the present invention may be made in various shapes and sizes by virtue of the presence of the chain 5 and of the consecutive links 6 which allow lengths and paths which are such as to be adapted to any need and any type of use.
  • the method for manufacturing the lighting apparatus according to the present invention is definitely simplified since it only requires to provide a chain 5 of a required length via the connection of a number of links 6 comprising suitable means for the engagement with the rear cover 2 and the screen 4 , and the subsequent assembly of the back cover 2 and of the screen 4 of the lighting apparatus by means of the chain 5 which is closed by coupling the first and the last link 6 of the chain 5 itself, exploiting the mutual engagement means between said links ( 6 ).
  • the method for manufacturing the lighting apparatus may provide for the fastening in position of the links 6 of the chain 5 by means of a clamping cable adapted to be engaged with at least one hole 9 present on each of the links 6 or by means of the fastening of a hole 11 , present on at least one link 6 of the chain 5 , to a corresponding hole made in the rear cover 2 .
  • the fastening may occur by means, for example, of a screw, a rivet, a socket pin, etc.
  • an embodiment or a preferred embodiment in the above description as a whole means that a particular element or a particular feature or structure described in connection with an embodiment is included in at least one embodiment of the subject described. Therefore, the expression “in an embodiment” or “in a preferred embodiment” in various points of the above description does not necessarily refer to the same embodiment. Furthermore, the particular elements and the particular features or structures described may be combined, in any suitable manner, in one or more embodiments without, however, departing from the scope of protection of the present patent application.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Liquid Crystal Substances (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
US17/051,910 2018-05-02 2019-05-02 Luminaire Active US11454376B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102018000004998 2018-05-02
IT102018000004998A IT201800004998A1 (it) 2018-05-02 2018-05-02 Apparecchio per illuminazione
PCT/IB2019/053583 WO2019211780A1 (en) 2018-05-02 2019-05-02 Luminaire

Publications (2)

Publication Number Publication Date
US20210231295A1 US20210231295A1 (en) 2021-07-29
US11454376B2 true US11454376B2 (en) 2022-09-27

Family

ID=63014856

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/051,910 Active US11454376B2 (en) 2018-05-02 2019-05-02 Luminaire

Country Status (6)

Country Link
US (1) US11454376B2 (zh)
EP (1) EP3788301B1 (zh)
CN (1) CN112384733A (zh)
ES (1) ES2927261T3 (zh)
IT (1) IT201800004998A1 (zh)
WO (1) WO2019211780A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091619A1 (en) * 2005-10-26 2007-04-26 Jaihyuk Lee Adjustable lamp shade
US20070230186A1 (en) * 2006-03-30 2007-10-04 Chen-Chun Chien LED projector light module
EP1845305A1 (de) 2006-04-12 2007-10-17 Zumtobel Lighting GmbH Leuchte mit Gehäuse mit flexiblem Wandmaterial
US20090261705A1 (en) * 2008-04-22 2009-10-22 Cheng Hsiung Lai LED lamp device
US20100002453A1 (en) * 2008-07-04 2010-01-07 Hsiang-Chen Wu Illuminating device and annular heat-dissipating structure thereof
CN201772415U (zh) 2010-07-29 2011-03-23 艾尔莎光电科技股份有限公司 散热鳍片
US20170016599A1 (en) 2015-07-16 2017-01-19 Peijun Wang Lighting apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000156105A (ja) * 1998-11-20 2000-06-06 Stanley Electric Co Ltd 車両用灯具
JP2006200550A (ja) * 2005-01-18 2006-08-03 Maitec:Kk フランジおよびフランジを備えたパイプ
US7909491B2 (en) * 2005-04-14 2011-03-22 Adam Anthony Hoets Chain support
JP4787009B2 (ja) * 2005-08-29 2011-10-05 シチズンホールディングス株式会社 締結金具の構造
CN104214605A (zh) * 2014-08-19 2014-12-17 南京基恩照明科技有限公司 一种通用型弧形立面照明投光灯

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091619A1 (en) * 2005-10-26 2007-04-26 Jaihyuk Lee Adjustable lamp shade
US20070230186A1 (en) * 2006-03-30 2007-10-04 Chen-Chun Chien LED projector light module
EP1845305A1 (de) 2006-04-12 2007-10-17 Zumtobel Lighting GmbH Leuchte mit Gehäuse mit flexiblem Wandmaterial
US20090261705A1 (en) * 2008-04-22 2009-10-22 Cheng Hsiung Lai LED lamp device
US20100002453A1 (en) * 2008-07-04 2010-01-07 Hsiang-Chen Wu Illuminating device and annular heat-dissipating structure thereof
CN201772415U (zh) 2010-07-29 2011-03-23 艾尔莎光电科技股份有限公司 散热鳍片
US20170016599A1 (en) 2015-07-16 2017-01-19 Peijun Wang Lighting apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
International Search Report of the International Searching Authority, dated Jun. 24, 2019 for corresponding PCT patent application No. PCT/IB2019/053583.

Also Published As

Publication number Publication date
EP3788301A1 (en) 2021-03-10
WO2019211780A1 (en) 2019-11-07
CN112384733A (zh) 2021-02-19
EP3788301B1 (en) 2022-06-22
ES2927261T3 (es) 2022-11-03
IT201800004998A1 (it) 2019-11-02
US20210231295A1 (en) 2021-07-29

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